69906420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{388369}}^1$

素因数の和:388384

約数の個数: 36

約数和(自身を含む): 212050020

約数和(自身を除く): 142143600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 388369, 776738, 1165107, 1553476, 1941845, 2330214, 3495321, 3883690, 4660428, 5825535, 6990642, 7767380, 11651070, 13981284, 17476605, 23302140, 34953210, 69906420]

約数ペア:

[(1, 69906420), (2, 34953210), (3, 23302140), (4, 17476605), (5, 13981284), (6, 11651070), (9, 7767380), (10, 6990642), (12, 5825535), (15, 4660428), (18, 3883690), (20, 3495321), (30, 2330214), (36, 1941845), (45, 1553476), (60, 1165107), (90, 776738), (180, 388369)]